Comprehending key ideas and in-depth details from varied written material.

Familiarise yourself with common keywords and phrases used in Japanese, such as “因果関係” (cause and effect), “対比” (contrast), and “逆説” (paradox).
Develop the ability to distinguish the main theme from the details or supporting information present in written texts.
Try to identify the author’s viewpoint or standpoint to understand the central argument or hypothesis in the text.
Use context to infer the meaning of unfamiliar words or phrases, instead of relying solely on your vocabulary.

Practice reading and understanding different types of texts, such as newspaper articles, essays, letters, or literature extracts.
Develop skills to recognise and interpret advanced grammatical constructs, like conditional, hypothetical, and subjunctive forms.
Enhance your competency in recognising different writing styles like formal, informal, scientific, or poetic and how they affect the understood meaning.
Try to understand cultural references or idioms, as they can significantly impact the intended nuances in the text.

Learn to implement skim reading for getting an overall idea of the content, and scan reading for locating specific information quickly.
It’s helpful to note down important points while reading for better recall later on.
Comprehending in-depth details may involve backtracking and re-reading certain sections for better understanding.
Use a Japanese dictionary expertly and efficiently. It’s also useful to know how to use electronic resources for confirming the meanings and readings of kanji.

Make full use of past paper questions for familiarising yourself with the format and question types you will encounter.
Time yourself while practicing past papers to develop an understanding of how quickly you need to read and comprehend material.
Regularly review your work and get feedback from a mentor or peers for evaluating how well you understood the main ideas and in-depth details of passages.
Always revise mistakes and misunderstood content to fine-tune your comprehension skills.