:root {
  --navy: #1a237e;
  --navy-dark: #0d1657;
  --navy-soft: #eef0fb;
  --ink: #171a2e;
  --muted: #656b83;
  --paper: #fff;
  --wash: #f6f7fb;
  --line: #dfe3f2;
  --lime: #06c755;
  --warm: #fff2cc;
  --coral: #f07262;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #eceef5;
  font-family: "Hiragino Sans", "Yu Gothic", "Noto Sans JP", sans-serif;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
}
img { display: block; width: 100%; }
a { color: inherit; }
.page { width: min(760px, 100%); margin: 0 auto; background: var(--paper); box-shadow: 0 18px 60px rgba(13,22,87,.12); }
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
  padding: 10px 18px;
  border-bottom: 1px solid rgba(223,227,242,.9);
  background: rgba(255,255,255,.94);
  backdrop-filter: blur(12px);
}
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--navy); font-size: 1.4rem; font-weight: 900; letter-spacing: .06em; text-decoration: none; }
.brand-arrow { display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid var(--line); border-radius: 50%; font-size: .95rem; font-weight: 700; letter-spacing: 0; transition: transform .15s, background .15s; }
.brand:hover .brand-arrow { transform: translateX(-2px); background: var(--navy-soft); }
.header-right { display: flex; align-items: center; gap: 8px; }
.menu-dropdown { position: relative; }
.menu-toggle { display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; border: 1.5px solid var(--navy); border-radius: 50%; color: var(--navy); background: var(--paper); font-size: 18px; font-weight: 700; cursor: pointer; list-style: none; transition: background .15s; }
.menu-toggle:hover { background: var(--navy-soft); }
.menu-toggle::-webkit-details-marker { display: none; }
.menu-toggle::marker { content: ""; }
.menu-dropdown[open] .menu-toggle { color: #fff; background: var(--navy); }
.menu-nav { position: absolute; top: calc(100% + 8px); right: 0; z-index: 70; display: flex; flex-direction: column; gap: 2px; min-width: 220px; padding: 8px; border: 1.5px solid var(--navy-soft); border-radius: 14px; background: var(--paper); box-shadow: 0 12px 28px rgba(26,35,126,.18); }
.menu-nav a { padding: 10px 14px; border-radius: 8px; color: var(--navy); font-size: 13px; font-weight: 700; letter-spacing: .03em; text-decoration: none; }
.menu-nav a:hover { background: var(--navy-soft); }
.btn-net { padding: 9px 16px; border-radius: 24px; color: #fff; background: var(--navy); font-size: 13px; font-weight: 700; white-space: nowrap; text-decoration: none; }

.hero { position: relative; min-height: 630px; overflow: hidden; color: #fff; background: var(--navy-dark); }
.hero-media { position: absolute; inset: 0; }
.hero-media img { height: 100%; object-fit: cover; }
.nutrition-page .hero-media img { object-position: 48% 50%; }
.method-page .hero-media img { object-position: center 46%; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(10,17,68,.12) 15%, rgba(10,17,68,.4) 52%, rgba(10,17,68,.96) 100%); }
.hero-content { position: absolute; z-index: 2; right: 0; bottom: 0; left: 0; padding: 44px clamp(22px,6vw,54px) 46px; }
.eyebrow { margin: 0 0 12px; color: #d8dcff; font-size: .72rem; font-weight: 900; letter-spacing: .17em; }
.hero h1 { margin: 0; font-size: clamp(2.15rem, 8vw, 3.7rem); line-height: 1.28; letter-spacing: .02em; }
.hero h1 em { color: #ffdf72; font-style: normal; }
.hero-lead { max-width: 620px; margin: 18px 0 0; font-size: .98rem; font-weight: 700; line-height: 1.9; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.hero-badges span { padding: 7px 11px; border: 1px solid rgba(255,255,255,.42); border-radius: 999px; background: rgba(255,255,255,.13); font-size: .72rem; font-weight: 800; backdrop-filter: blur(8px); }
.hero-eligibility { margin: 12px 0 0; color: #fff; font-size: .76rem; font-weight: 800; }

.section { padding: 68px clamp(20px,6vw,56px); }
.section-soft { background: var(--wash); }
.section-dark { color: #fff; background: var(--navy-dark); }
.section-kicker { margin: 0 0 8px; color: var(--navy); font-size: .7rem; font-weight: 900; letter-spacing: .16em; }
.section-dark .section-kicker { color: #bfc6ff; }
.section h2 { margin: 0 0 18px; font-size: clamp(1.65rem,5vw,2.5rem); line-height: 1.45; letter-spacing: .02em; }
.section-lead { margin: 0; color: var(--muted); font-size: .94rem; }
.section-dark .section-lead { color: #d9ddf1; }
.highlight { background: linear-gradient(transparent 62%, var(--warm) 62%); }

.problem-grid, .principle-grid, .plan-grid, .recommend-grid { display: grid; gap: 14px; margin-top: 30px; }
.problem-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
.problem-card { padding: 20px 18px; border: 1px solid var(--line); border-radius: 15px; background: #fff; }
.problem-card b { display: block; margin-bottom: 6px; color: var(--navy); font-size: .92rem; }
.problem-card p { margin: 0; color: var(--muted); font-size: .8rem; line-height: 1.7; }

.consult-panel { margin-top: 30px; padding: 24px; border: 1px solid #cfd5f2; border-radius: 18px; background: var(--navy-soft); }
.consult-panel h3, .takeaway-panel h3 { margin: 0; color: var(--navy); font-size: 1.15rem; line-height: 1.6; }
.consult-panel > p { margin: 6px 0 0; color: var(--muted); font-size: .84rem; }
.consult-list { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 10px; margin: 18px 0 0; padding: 0; list-style: none; }
.consult-list li { position: relative; padding: 13px 14px 13px 38px; border-radius: 12px; background: #fff; color: var(--ink); font-size: .82rem; font-weight: 700; line-height: 1.65; }
.consult-list li::before { content: "✓"; position: absolute; top: 13px; left: 14px; display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; color: #fff; background: var(--navy); font-size: .65rem; }

.principle-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.principle { position: relative; padding: 26px 20px 22px; overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.principle-num { color: #d7dcf5; font-size: 2.7rem; font-weight: 900; line-height: 1; }
.principle h3 { margin: 11px 0 8px; color: var(--navy); font-size: 1.02rem; line-height: 1.55; }
.principle p { margin: 0; color: var(--muted); font-size: .82rem; line-height: 1.8; }

.takeaway-panel { margin-top: 30px; padding: 26px 24px; border-radius: 18px; color: #fff; background: var(--navy-dark); }
.takeaway-panel h3 { color: #fff; }
.takeaway-panel > p { margin: 6px 0 0; color: #d9ddf1; font-size: .84rem; }
.takeaway-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; margin-top: 18px; }
.takeaway-grid div { padding: 16px 14px; border: 1px solid rgba(255,255,255,.18); border-radius: 12px; background: rgba(255,255,255,.08); }
.takeaway-grid b { display: block; color: #ffdf72; font-size: .84rem; }
.takeaway-grid p { margin: 5px 0 0; color: #fff; font-size: .75rem; line-height: 1.7; }

.feature-photo { position: relative; margin: 34px 0 0; overflow: hidden; border-radius: 20px; background: var(--navy-soft); }
.feature-photo img { height: auto; aspect-ratio: 16/10; object-fit: cover; }
.nutrition-page .feature-photo img { object-position: center 48%; }
.feature-caption { position: absolute; right: 12px; bottom: 12px; left: 12px; padding: 12px 14px; border-radius: 12px; color: #fff; background: rgba(13,22,87,.85); font-size: .78rem; font-weight: 700; backdrop-filter: blur(8px); }

.flow { position: relative; margin-top: 32px; }
.flow::before { content: ""; position: absolute; top: 18px; bottom: 18px; left: 19px; width: 2px; background: #aab3e9; }
.flow-item { position: relative; display: grid; grid-template-columns: 40px 1fr; gap: 16px; align-items: start; }
.flow-item + .flow-item { margin-top: 24px; }
.flow-num { position: relative; z-index: 1; display: grid; place-items: center; width: 40px; height: 40px; border: 4px solid var(--wash); border-radius: 50%; color: #fff; background: var(--navy); font-size: .76rem; font-weight: 900; }
.section-dark .flow-num { border-color: var(--navy-dark); background: #fff; color: var(--navy); }
.flow-body { padding-top: 4px; }
.flow-body h3 { margin: 0 0 4px; font-size: .98rem; }
.flow-body p { margin: 0; color: var(--muted); font-size: .82rem; }
.section-dark .flow-body p { color: #cdd2e9; }

.profile { display: grid; grid-template-columns: minmax(240px, .88fr) minmax(0, 1.12fr); gap: 0; align-items: stretch; margin-top: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: #fff; box-shadow: 0 12px 32px rgba(26,35,126,.09); }
.profile-photo { min-height: 390px; overflow: hidden; background: var(--navy-soft); }
.profile-photo img { height: 100%; object-fit: cover; }
.nutrition-page .profile-photo img { object-position: center 48%; }
.method-page .profile-photo img { object-position: center 55%; }
.profile-copy { display: flex; flex-direction: column; justify-content: center; padding: 32px 30px; }
.profile-label { margin: 0 0 4px; color: var(--navy); font-size: .75rem; font-weight: 900; letter-spacing: .08em; }
.profile h3 { margin: 0; font-size: 1.35rem; }
.credentials { display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0; }
.credentials span { padding: 6px 9px; border-radius: 7px; color: var(--navy); background: var(--navy-soft); font-size: .7rem; font-weight: 800; }
.profile-message { margin: 5px 0 0; padding-top: 16px; border-top: 1px solid var(--line); color: var(--muted); font-size: .84rem; line-height: 1.9; }

.plan-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.plan { padding: 22px 18px; border: 1px solid var(--line); border-radius: 16px; background: #fff; }
.plan.recommended { border: 2px solid var(--navy); box-shadow: 0 10px 28px rgba(26,35,126,.12); }
.plan-badge { display: inline-block; margin-bottom: 10px; padding: 4px 8px; border-radius: 999px; color: #fff; background: var(--navy); font-size: .65rem; font-weight: 900; }
.plan h3 { margin: 0; color: var(--navy); font-size: .98rem; }
.plan-use { min-height: 3.4em; margin: 5px 0 12px; color: var(--muted); font-size: .76rem; }
.price { margin: 0; color: var(--navy); font-size: 1.35rem; font-weight: 900; line-height: 1.45; }
.price small { font-size: .7rem; }
.plan-detail { margin: 10px 0 0; padding-top: 10px; border-top: 1px solid var(--line); color: var(--muted); font-size: .72rem; }

.gallery { display: grid; grid-template-columns: 1.15fr .85fr; grid-template-rows: repeat(2, 230px); gap: 10px; margin-top: 30px; }
.gallery figure { margin: 0; overflow: hidden; border-radius: 16px; background: var(--navy-soft); }
.gallery figure:first-child { grid-row: 1 / 3; }
.gallery img { height: 100%; object-fit: cover; }
.gallery figure:first-child img { object-position: center 45%; }

.recommend-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
.recommend { display: flex; gap: 11px; align-items: flex-start; padding: 17px; border: 1px solid var(--line); border-radius: 14px; background: #fff; font-size: .82rem; font-weight: 700; }
.recommend::before { content: "✓"; display: grid; place-items: center; flex: 0 0 24px; width: 24px; height: 24px; border-radius: 50%; color: #fff; background: var(--navy); font-size: .72rem; }

.faq-list { margin-top: 28px; border-top: 1px solid var(--line); }
.faq { border-bottom: 1px solid var(--line); }
.faq summary { position: relative; padding: 18px 34px 18px 0; color: var(--navy); font-size: .9rem; font-weight: 800; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; top: 16px; right: 4px; font-size: 1.2rem; }
.faq[open] summary::after { content: "−"; }
.faq p { margin: 0; padding: 0 24px 18px 0; color: var(--muted); font-size: .82rem; }

.cross-link { display: grid; grid-template-columns: 132px 1fr; gap: 18px; align-items: center; margin-top: 30px; padding: 16px; border: 1px solid var(--line); border-radius: 18px; text-decoration: none; }
.cross-link img { height: auto; aspect-ratio: 1; border-radius: 12px; object-fit: cover; }
.cross-link small { color: var(--navy); font-weight: 900; letter-spacing: .08em; }
.cross-link strong { display: block; margin-top: 4px; font-size: 1rem; }
.cross-link span { display: block; margin-top: 5px; color: var(--muted); font-size: .77rem; }

.final-cta { padding: 64px clamp(22px,6vw,56px) 112px; text-align: center; color: #fff; background: linear-gradient(145deg,var(--navy-dark),var(--navy)); }
.final-cta h2 { margin: 0; font-size: clamp(1.8rem,6vw,2.7rem); }
.final-cta p { margin: 12px 0 24px; color: #d9ddf1; font-size: .9rem; }
.cta-main { display: block; width: min(430px,100%); margin: 0 auto; padding: 17px 20px; border-radius: 999px; color: var(--navy); background: #fff; font-size: .96rem; font-weight: 900; text-decoration: none; box-shadow: 0 10px 28px rgba(0,0,0,.2); }
.cta-line { display: block; width: min(430px,100%); margin: 10px auto 0; padding: 14px 20px; border: 1px solid rgba(255,255,255,.44); border-radius: 999px; color: #fff; font-size: .87rem; font-weight: 800; text-decoration: none; }
.site-footer { padding: 32px 24px 100px; color: #c9ccdd; background: #101323; text-align: center; }
.site-footer nav { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 18px; margin: 14px 0; font-size: .75rem; }
.site-footer a { color: #fff; }
.site-footer p { margin: 0; font-size: .72rem; }
.sticky { position: fixed; z-index: 60; right: 0; bottom: 0; left: 0; display: flex; width: min(760px,100%); margin: auto; box-shadow: 0 -7px 24px rgba(13,22,87,.18); }
.sticky a { flex: 1; padding: 14px 8px; color: #fff; font-size: .82rem; font-weight: 900; text-align: center; text-decoration: none; }
.sticky a:first-child { background: var(--navy); }
.sticky a:last-child { background: var(--lime); }

.voice-page .voice-hero .hero-media img { object-position: center 36%; }
.voice-feature { margin-top: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: 22px; background: #fff; box-shadow: 0 12px 32px rgba(26,35,126,.09); }
.voice-feature-gallery { display: grid; grid-template-columns: 1fr; gap: 8px; padding: 8px; background: var(--navy-soft); }
.voice-feature-gallery figure { margin: 0; overflow: hidden; border-radius: 14px; background: #fff; }
.voice-feature-gallery img { height: auto; aspect-ratio: auto; object-fit: contain; }
.voice-feature-gallery figure:first-child img { object-position: center 34%; }
.voice-quote { padding: 26px 24px 28px; }
.voice-quote span, .voice-card span { display: inline-block; padding: 5px 10px; border-radius: 999px; color: var(--navy); background: var(--navy-soft); font-size: .72rem; font-weight: 900; }
.voice-quote blockquote { margin: 14px 0 0; color: var(--navy); font-size: 1.05rem; font-weight: 800; line-height: 1.9; }
.result-note { margin: 14px 0 0; color: var(--muted); font-size: .7rem; text-align: center; }
.voice-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 16px; margin-top: 30px; }
.voice-card { overflow: hidden; border: 1px solid var(--line); border-radius: 18px; background: #fff; }
.voice-card > img { height: auto; aspect-ratio: auto; object-fit: contain; }
.voice-card > div { padding: 18px 17px 20px; }
.voice-card p { margin: 11px 0 0; color: var(--ink); font-size: .82rem; font-weight: 700; line-height: 1.85; }
.voice-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 12px; margin-top: 28px; }
.voice-links a { padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: var(--wash); text-decoration: none; }
.voice-links small { display: block; color: var(--navy); font-size: .65rem; font-weight: 900; letter-spacing: .1em; }
.voice-links strong { display: block; margin-top: 5px; font-size: .92rem; }
.voice-links span { display: block; margin-top: 7px; color: var(--muted); font-size: .74rem; }

@media (max-width: 640px) {
  .site-header { min-height: 58px; padding-inline: 14px; }
  .brand { gap: 6px; font-size: 1.25rem; }
  .brand-arrow { width: 25px; height: 25px; }
  .hero { min-height: 570px; }
  .nutrition-page .hero-media img { object-position: 53% 48%; }
  .method-page .hero-media img { object-position: center 45%; }
  .hero-content { padding-bottom: 34px; }
  .section { padding-top: 54px; padding-bottom: 54px; }
  .problem-grid, .principle-grid, .plan-grid, .recommend-grid, .consult-list, .takeaway-grid { grid-template-columns: 1fr; }
  .principle-grid { gap: 12px; }
  .profile { grid-template-columns: 1fr; }
  .profile-photo { min-height: 0; }
  .profile-photo img { height: auto; aspect-ratio: 16 / 10; }
  .nutrition-page .profile-photo img { object-position: center 46%; }
  .method-page .profile-photo img { object-position: center 54%; }
  .profile-copy { padding: 22px 20px 24px; }
  .profile h3 { font-size: 1.2rem; }
  .credentials { margin-block: 9px; }
  .plan-use { min-height: 0; }
  .gallery { grid-template-columns: 1fr 1fr; grid-template-rows: 310px 180px; }
  .gallery figure:first-child { grid-column: 1 / 3; grid-row: auto; }
  .cross-link { grid-template-columns: 96px 1fr; gap: 13px; }
  .voice-page .voice-hero .hero-media img { object-position: 48% 32%; }
  .voice-feature-gallery, .voice-grid, .voice-links { grid-template-columns: 1fr; }
  .voice-feature-gallery img, .voice-card > img { aspect-ratio: auto; }
}