/* ==========================================================
   星ゆきサイト v1（トップページ仮組み）
   実装方針はポートフォリオサイト（yukiko-portfolio）を土台に、
   星ゆき用の配色・トーンに調整

   配色：カラーパレット第1案「夜明け前の青紫」（2026-08-12反映）
   ========================================================== */

:root {
  --color-purple: #5F5A94;        /* ボタン・アクセントの紫 */
  --color-purple-deep: #4D497B;   /* 見出し */
  --color-text: #343247;          /* 本文 */
  --color-slate: #7D7898;         /* 補助テキスト */

  --color-bg: #E9E8F8;            /* 基調背景（淡い青紫） */
  --color-bg-pink: #F3ECF6;       /* 薄桃色の背景 */
  --color-bg-light: #FFF7E7;      /* 光を感じる背景 */
  --color-bg-card: #F6F5FC;       /* カード：ごく薄い青紫がかった白 */

  --color-star: #F2CB4B;          /* 星明かりのアクセント */
  --color-button-text: #FFFFFF;

  --color-navy-brand: #234871;    /* 名刺と共通する濃い青（ロゴ・フッター等の小さなブランド要素） */
  --color-yellow-brand: #FDD815;  /* 名刺と共通する黄色（使う場合は極小要素に限定） */

  --font-heading: 'Inter', 'Noto Sans JP', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;

  --max-width: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  overflow-x: hidden;
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.5;
  margin: 0 0 0.6em;
  color: var(--color-purple-deep);
}

h1 { font-size: clamp(1.8rem, 4vw + 1rem, 3rem); }
h2 { font-size: clamp(1.4rem, 2.2vw + 1rem, 2rem); }
h3 { font-size: clamp(1.05rem, 1.2vw + 0.9rem, 1.25rem); }

p {
  margin: 0 0 1em;
}

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* ボタン */
.btn-primary {
  display: inline-block;
  background: var(--color-purple);
  color: var(--color-button-text);
  text-decoration: none;
  font-weight: 700;
  padding: 0.75rem 1.75rem;
  border-radius: 999px;
  transition: box-shadow 0.2s ease, background 0.2s ease;
  min-height: 44px;
  line-height: 1.3;
}
.btn-primary:hover,
.btn-primary:focus-visible {
  background: var(--color-purple-deep);
  box-shadow: 0 4px 14px rgba(77, 73, 123, 0.3);
}
.btn-lg {
  font-size: 1.05rem;
  padding: 0.9rem 2.25rem;
}
.btn-secondary {
  display: inline-block;
  color: var(--color-purple-deep);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  border-bottom: 1px solid var(--color-purple);
  padding-bottom: 0.15em;
}
.btn-secondary:hover,
.btn-secondary:focus-visible {
  color: var(--color-purple);
  border-color: var(--color-purple-deep);
}

/* ヘッダー */
.site-header {
  border-bottom: 1px solid rgba(95, 90, 148, 0.15);
  padding: 1rem 0;
  background: var(--color-bg);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.logo {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy-brand);
  text-decoration: none;
  font-size: 1.1rem;
}
.site-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  min-width: 0;
}

/* メニューボタン（モバイルのみ表示） */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: stretch;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 0;
  border: none;
  background: transparent;
  cursor: pointer;
}
.nav-toggle-bar {
  display: block;
  width: 100%;
  height: 2px;
  border-radius: 2px;
  background: var(--color-purple-deep);
}

@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }
  .site-header .container {
    flex-wrap: wrap;
  }
  .site-header nav {
    display: none;
    flex-basis: 100%;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    gap: 0.6rem;
    margin-top: 0.75rem;
  }
  .site-header nav.is-open {
    display: flex;
  }
  .site-header nav a {
    font-size: 0.9rem;
  }
}
.site-header nav a {
  color: var(--color-text);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
}
.site-header nav a:hover {
  color: var(--color-purple-deep);
  text-decoration: underline;
}

/* ヒーロー：淡い青紫→薄桃色→光の色へ移る控えめなグラデーション */
.hero {
  background: linear-gradient(160deg, var(--color-bg) 0%, var(--color-bg-pink) 55%, var(--color-bg-light) 100%);
  padding: 4.5rem 0 2.5rem;
  overflow: hidden;
}
.hero-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2.5rem;
}
@media (min-width: 900px) {
  .hero-inner {
    flex-direction: row;
    gap: 3rem;
  }
  .hero-text {
    flex: 0 0 44%;
  }
  .hero-visual {
    flex: 1 1 56%;
  }
}
.hero-text {
  text-align: center;
}
@media (min-width: 900px) {
  .hero-text {
    text-align: left;
  }
}
.hero h1 {
  letter-spacing: 0.02em;
}
.hero .sub {
  font-size: 1rem;
  max-width: 32em;
  margin: 0 auto 1.5rem;
}
@media (min-width: 900px) {
  .hero .sub {
    margin: 0 0 1.5rem;
  }
}
.hero-visual {
  width: 100%;
  max-width: 480px;
}
.hero-visual svg {
  width: 100%;
  height: auto;
  display: block;
}
.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.25rem;
  width: fit-content;
  margin: 2.5rem auto 0;
  color: var(--color-slate);
  text-decoration: none;
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}
.hero-scroll:hover {
  color: var(--color-purple-deep);
}

/* モバイル版ファーストビュー：図を縮小し、余白を詰めて全体を短くする（デスクトップは対象外） */
@media (max-width: 899px) {
  .hero {
    padding: 3.5rem 0 2rem;
  }
  .hero-inner {
    gap: 2rem;
  }
  .hero-visual {
    max-width: 420px;
  }
  .hero-scroll {
    margin-top: 1.75rem;
  }
}

/* 目指していること */
.vision {
  background: var(--color-bg-card);
  padding: 5rem 0;
}
.vision .section-eyebrow {
  text-align: center;
}
.vision-title {
  text-align: center;
  margin-bottom: 3.5rem;
}
.vision-block {
  max-width: 34em;
  margin: 0 auto 4rem;
  text-align: left;
}
.vision-block:last-of-type {
  margin-bottom: 3rem;
}
.vision-icon {
  display: block;
  margin: 0 auto 1.25rem;
}
.vision-block h3 {
  text-align: center;
  margin-bottom: 1.25rem;
}
.vision-block p {
  font-size: 1rem;
}
.vision-block--accent {
  background: rgba(95, 90, 148, 0.08);
  border-radius: 16px;
  padding: 2.5rem 2rem;
}
.vision-conclusion {
  max-width: 30em;
  margin: 0 auto;
  text-align: center;
  border: 1px solid rgba(242, 203, 75, 0.4);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  background: rgba(95, 90, 148, 0.05);
}
.vision-conclusion-star {
  display: block;
  margin: 0 auto 1rem;
}
.vision-conclusion p {
  font-size: 1rem;
}

/* モバイル限定の改行（文言は変えず、この改行だけ画面幅で切り替える） */
.mobile-break {
  display: none;
}
@media (max-width: 899px) {
  .mobile-break {
    display: inline;
  }
}

/* section eyebrow（共通） */
.section-eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-purple);
  margin: 0 0 0.75rem;
}

/* メインコンテンツエリア */
.main-content {
  background: var(--color-bg-pink);
  padding: 5rem 0;
}
.main-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 900px) {
  .main-grid {
    grid-template-columns: 1.75fr 1fr;
    gap: 2.5rem;
    align-items: start;
  }
}
.reading-main {
  background: var(--color-bg-card);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 2px 16px rgba(77, 73, 123, 0.08);
}
.reading-lead {
  font-size: 1rem;
}
.energy-flow {
  margin: 2rem 0 1rem;
}
.energy-flow svg {
  width: 100%;
  height: auto;
  display: block;
}
.energy-flow svg.energy-flow-mobile {
  display: none;
}
@media (max-width: 899px) {
  .energy-flow svg.energy-flow-desktop {
    display: none;
  }
  .energy-flow svg.energy-flow-mobile {
    display: block;
  }
}
.flow-caption {
  font-size: 0.85rem;
  color: var(--color-slate);
  max-width: 32em;
  margin: 0 0 1.75rem;
}
.side-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.side-card {
  background: var(--color-bg-card);
  border-radius: 20px;
  padding: 1.75rem;
  box-shadow: 0 2px 16px rgba(77, 73, 123, 0.08);
}
.side-card p {
  font-size: 0.95rem;
}
.article-list {
  list-style: none;
  margin: 0 0 1.25rem;
  padding: 0;
}
.article-list li {
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(95, 90, 148, 0.15);
  font-size: 0.9rem;
  color: var(--color-slate);
}
.article-list a {
  color: var(--color-text);
  text-decoration: none;
}
.article-list a:hover,
.article-list a:focus-visible {
  color: var(--color-purple-deep);
  text-decoration: underline;
}
.article-list--placeholder li {
  font-style: italic;
}
/* 星ゆきのプロフィール：アバター・プロフィール文 */
.avatar-frame {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  position: relative;
  margin: 0 auto 1.5rem;
}
@media (min-width: 900px) {
  .avatar-frame {
    width: 120px;
    height: 120px;
  }
}
.avatar-img {
  position: absolute;
  width: 190%;
  height: 190%;
  max-width: none;
  left: -47%;
  top: -5%;
}
.profile-text {
  text-align: left;
}
.profile-text p {
  font-size: 0.95rem;
  line-height: 1.8;
  margin: 0 0 1em;
}

/* お問い合わせ：光を感じる背景で、フッターの前にやわらかく着地させる */
.contact {
  background: var(--color-bg-light);
  padding: 4.5rem 0;
  text-align: center;
}
.contact-container {
  max-width: 920px;
}
.contact .section-label {
  margin-bottom: 0.35rem;
  color: var(--color-purple);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}
.contact h2 {
  max-width: 30em;
  margin: 0 auto 1.25rem;
}
.contact-lead {
  max-width: 43em;
  margin: 0 auto 1rem;
}
.monitor-free {
  display: inline-block;
  margin: 0.5rem auto 1.5rem;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  background: rgba(242, 203, 75, 0.26);
  color: var(--color-purple-deep);
}
.monitor-card {
  padding: clamp(1.4rem, 4vw, 2.5rem);
  border: 1px solid rgba(95, 90, 148, 0.2);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.62);
  box-shadow: 0 12px 32px rgba(77, 73, 123, 0.08);
  text-align: left;
}
.monitor-for {
  max-width: 650px;
  margin: 0 auto 2rem;
}
.monitor-for h3 {
  text-align: center;
}
.monitor-for ul {
  margin: 0;
  padding-left: 1.4rem;
}
.monitor-for li + li {
  margin-top: 0.35rem;
}
.monitor-info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}
.monitor-info {
  padding: 1.25rem;
  border-radius: 14px;
  background: var(--color-bg-card);
}
.monitor-info h3 {
  margin-bottom: 0.45rem;
  font-size: 1rem;
}
.monitor-info p,
.monitor-notes p,
.contact-email {
  margin: 0;
}
.monitor-notes {
  margin-top: 1.25rem;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--color-star);
  background: rgba(242, 203, 75, 0.12);
  font-size: 0.9rem;
}
.monitor-notes p + p {
  margin-top: 0.45rem;
}
.monitor-action {
  margin-top: 1.75rem;
  text-align: center;
}
.contact .btn-primary {
  margin-bottom: 0.8rem;
}
.contact-email {
  color: var(--color-slate);
  font-size: 0.85rem;
}
.contact-email a {
  color: var(--color-purple-deep);
}

@media (max-width: 700px) {
  .monitor-info-grid {
    grid-template-columns: 1fr;
  }
}

/* フッター：名刺と共通する濃い青 */
.site-footer {
  background: var(--color-navy-brand);
  color: #FFFFFF;
  padding: 2rem 0;
  text-align: center;
  font-size: 0.9rem;
}
.footer-inner p {
  margin: 0 0 0.75rem;
}
.footer-nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 0.75rem;
}
.footer-nav a {
  color: #FFFFFF;
  text-decoration: none;
  opacity: 0.85;
}
.footer-nav a:hover {
  opacity: 1;
  text-decoration: underline;
}
.footer-note {
  opacity: 0.7;
  font-size: 0.8rem;
}

/* スマートフォン表示：main-gridは自然なDOM順（自分の星を読む→読みもの→私について）で縦積みになる */

/* ==========================================================
   詳細ページ：星ゆきの読み方
   ========================================================== */
.reading-detail-narrow {
  max-width: 760px;
}

.reading-detail-wide {
  max-width: 1080px;
}

.reading-detail-hero {
  padding: 5.5rem 0 5rem;
  text-align: center;
  background: linear-gradient(160deg, var(--color-bg) 0%, var(--color-bg-pink) 55%, var(--color-bg-light) 100%);
}

.reading-detail-hero h1 {
  margin-bottom: 1.25rem;
}

.reading-detail-lead {
  max-width: 38em;
  margin: 0 auto;
  font-size: 1.05rem;
}

.reading-detail-section {
  padding: 5rem 0;
  background: var(--color-bg-card);
}

.reading-detail-section--tint {
  background: var(--color-bg-pink);
}

.reading-detail-section--soft {
  background: var(--color-bg);
}

.prose p {
  margin-bottom: 1.4rem;
}

.reading-detail-note,
.reading-detail-emphasis {
  padding: 1.5rem 1.75rem;
  border-radius: 14px;
  background: rgba(95, 90, 148, 0.08);
}

.reading-detail-note {
  border-left: 4px solid var(--color-purple);
}

.reading-detail-emphasis {
  border: 1px solid rgba(242, 203, 75, 0.55);
  font-weight: 700;
}

.reading-detail-heading {
  max-width: 760px;
  margin: 0 auto 2.5rem;
  text-align: center;
}

.dispositor-diagram {
  margin: 2.5rem auto 3.5rem;
}

.dispositor-diagram svg {
  display: block;
  width: 100%;
  height: auto;
}

.diagram-node rect {
  fill: var(--color-bg-card);
  stroke: rgba(95, 90, 148, 0.65);
  stroke-width: 1.5;
}

.diagram-node rect.diagram-node-focus {
  fill: rgba(242, 203, 75, 0.18);
  stroke: var(--color-star);
  stroke-width: 2;
}

.diagram-node text {
  fill: var(--color-text);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 700;
}

.diagram-node text.diagram-node-sub {
  fill: var(--color-slate);
  font-size: 13px;
  font-weight: 400;
}

.diagram-lines {
  opacity: 0.75;
}

.dispositor-diagram-mobile {
  display: none;
}

.reading-detail-columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2rem;
  max-width: 860px;
  margin: 0 auto;
}

.reading-detail-columns > div {
  padding: 1.75rem;
  border-radius: 16px;
  background: var(--color-bg-card);
}

.reading-question-list {
  margin: 1.75rem 0 0;
  padding: 0;
  list-style: none;
}

.reading-question-list li {
  position: relative;
  margin-bottom: 0.85rem;
  padding-left: 1.75rem;
}

.reading-question-list li::before {
  content: '★';
  position: absolute;
  left: 0;
  color: var(--color-star);
}

.reading-detail-closing {
  padding: 5rem 0;
  text-align: center;
  background: var(--color-bg-light);
}

.reading-detail-closing p {
  max-width: 38em;
  margin: 0 auto 2rem;
}

.reading-detail-star {
  display: block;
  margin-bottom: 1rem;
  color: var(--color-star);
  font-size: 1.5rem;
}

@media (max-width: 899px) {
  .reading-detail-hero,
  .reading-detail-section,
  .reading-detail-closing {
    padding-top: 4rem;
    padding-bottom: 4rem;
  }

  .dispositor-diagram-desktop {
    display: none !important;
  }

  .dispositor-diagram-mobile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    max-width: 480px;
    margin: 0 auto;
  }

  .diagram-route {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.6rem;
    width: 100%;
    padding: 1rem;
    border-bottom: 1px solid rgba(95, 90, 148, 0.18);
  }

  .diagram-node-html {
    width: min(100%, 320px);
    padding: 0.9rem 1rem;
    border: 1px solid rgba(95, 90, 148, 0.65);
    border-radius: 14px;
    text-align: center;
    background: var(--color-bg-card);
  }

  .diagram-node-html strong,
  .diagram-node-html span {
    display: block;
  }

  .diagram-node-html span {
    color: var(--color-slate);
    font-size: 0.85rem;
  }

  .diagram-node-html--focus {
    border: 2px solid var(--color-star);
    background: rgba(242, 203, 75, 0.18);
  }

  .diagram-arrow,
  .diagram-merge {
    color: var(--color-purple);
    font-weight: 700;
  }

  .reading-detail-columns {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .reading-detail-hero {
    text-align: left;
  }

  .reading-detail-hero h1 br {
    display: none;
  }

  .reading-detail-note,
  .reading-detail-emphasis,
  .reading-detail-columns > div {
    padding: 1.25rem;
  }
}